1963711240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{220147}}^1$

素因数の和:220381

約数の個数: 32

約数和(自身を含む): 4438183680

約数和(自身を除く): 2474472440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 220147, 440294, 880588, 1100735, 1761176, 2201470, 4402940, 8805880, 49092781, 98185562, 196371124, 245463905, 392742248, 490927810, 981855620, 1963711240]

約数ペア:

[(1, 1963711240), (2, 981855620), (4, 490927810), (5, 392742248), (8, 245463905), (10, 196371124), (20, 98185562), (40, 49092781), (223, 8805880), (446, 4402940), (892, 2201470), (1115, 1761176), (1784, 1100735), (2230, 880588), (4460, 440294), (8920, 220147)]